<template>
  <a-drawer
    :title="title"
    :width="drawerWidth"
    @close="handleCancel"
    :visible="visible"
    :confirmLoading="confirmLoading">

    <div :style="{width: '100%',border: '1px solid #e9e9e9',padding: '10px 16px',background: '#fff',}">
      <a-spin :spinning="confirmLoading">
        <a-form :form="form">

          <a-form-item label="菜单类型" :labelCol="labelCol" :wrapperCol="wrapperCol" >
            <a-radio-group @change="onChangeMenuType" v-decorator="['menuType',{'initialValue':localMenuType}]">
              <a-radio :value="0">一级菜单</a-radio>
              <a-radio :value="1">子菜单</a-radio>
              <a-radio :value="2">按钮/权限</a-radio>
            </a-radio-group>
          </a-form-item>

          <a-form-item
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            :label="menuLabel"
            hasFeedback >
            <a-input placeholder="请输入菜单名称" v-decorator="[ 'name', validatorRules.name]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="localMenuType!=0"
            label="上级菜单"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            :validate-status="validateStatus"
            :hasFeedback="true"
            :required="true">
            <span slot="help">{{ validateStatus=='error'?'请选择上级菜单':'&nbsp;&nbsp;' }}</span>
            <a-tree-select
              style="width:100%"
              :dropdownStyle="{ maxHeight: '200px', overflow: 'auto' }"
              :treeData="treeData"
              v-model="model.parentId"
              placeholder="请选择父级菜单"
              :disabled="disableSubmit"
              @change="handleParentIdChange">
            </a-tree-select>
          </a-form-item>

          <a-form-item
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="菜单路径">
            <a-input placeholder="请输入菜单路径" v-decorator="[ 'url',validatorRules.url]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="前端组件">
            <a-input placeholder="请输入前端组件" v-decorator="[ 'component',validatorRules.component]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="localMenuType==0"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="默认跳转地址">
            <a-input placeholder="请输入路由参数 redirect" v-decorator="[ 'redirect',{}]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="!show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="授权标识">
            <a-input placeholder="请输入授权标识, 如: user:list" v-decorator="[ 'perms', {rules:[{ required: false, message: '请输入授权标识!' },{validator: this.validatePerms }]}]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="!show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="授权策略">
            <j-dict-select-tag v-decorator="['permsType', {}]" placeholder="请选择授权策略" :type="'radio'" :triggerChange="true" dictCode="global_perms_type"/>

          </a-form-item>
          <a-form-item
            v-show="!show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="状态">
            <j-dict-select-tag v-decorator="['status', {}]" placeholder="请选择状态" :type="'radio'" :triggerChange="true" dictCode="valid_status"/>

          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="菜单图标">
            <a-input placeholder="点击选择图标" v-model="model.icon" :readOnly="disableSubmit">
              <a-icon slot="addonAfter" type="setting" @click="selectIcons" />
            </a-input>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="排序">
            <a-input-number placeholder="请输入菜单排序" style="width: 200px" v-decorator="[ 'sortNo',validatorRules.sortNo]" :readOnly="disableSubmit"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="是否路由菜单">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="routeSwitch"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="隐藏路由">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="menuHidden"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="是否缓存路由">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="isKeepalive"/>
          </a-form-item>

          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="聚合路由">
            <a-switch checkedChildren="是" unCheckedChildren="否" v-model="alwaysShow"/>
          </a-form-item>

          <!--update_begin author:wuxianquan date:20190908 for:增加组件，外链打开方式可选 -->
          <a-form-item
            v-show="show"
            :labelCol="labelCol"
            :wrapperCol="wrapperCol"
            label="打开方式">
            <a-switch checkedChildren="外部" unCheckedChildren="内部" v-model="internalOrExternal"/>
          </a-form-item>
        <!--update_end author:wuxianquan date:20190908 for:增加组件，外链打开方式可选 -->

        </a-form>

        <!-- 选择图标 -->
        <icons @choose="handleIconChoose" @close="handleIconCancel" :iconChooseVisible="iconChooseVisible"></icons>
      </a-spin>
      <a-row :style="{textAlign:'right'}">
        <a-button :style="{marginRight: '8px'}" @click="handleCancel">
          关闭
        </a-button>
        <a-button :disabled="disableSubmit" @click="handleOk" type="primary">确定</a-button>
      </a-row>
    </div>
  </a-drawer>
</template>

<script>
  import { addPermission, editPermission, queryTreeList, duplicateCheck } from '@/api/api'
  import Icons from './icon/Icons'
  import pick from 'lodash.pick'

  export default {
    name: 'PermissionModal',
    components: { Icons },
    data () {
      return {
        drawerWidth: 700,
        treeData: [],
        treeValue: '0-0-4',
        title: '操作',
        visible: false,
        disableSubmit: false,
        model: {},
        localMenuType: 0,
        alwaysShow: false, // 表单元素-聚合路由
        menuHidden: false, // 表单元素-隐藏路由
        routeSwitch: true, // 是否路由菜单
        /* update_begin author:wuxianquan date:20190908 for:定义变量，初始值代表内部打开 */
        internalOrExternal: false, // 菜单打开方式
        /* update_end author:wuxianquan date:20190908 for:定义变量，初始值代表内部打开 */
        isKeepalive: true, // 是否缓存路由
        show: true, // 根据菜单类型，动态显示隐藏表单元素
        menuLabel: '菜单名称',
        isRequrie: true, // 是否需要验证
        labelCol: {
          xs: { span: 24 },
          sm: { span: 5 }
        },
        wrapperCol: {
          xs: { span: 24 },
          sm: { span: 16 }
        },

        confirmLoading: false,
        form: this.$form.createForm(this),

        iconChooseVisible: false,
        validateStatus: ''
      }
    },
    computed: {
      validatorRules: function() {
        return {
          name: { rules: [{ required: true, message: '请输入菜单标题!' }] },
          component: { rules: [{ required: this.show, message: '请输入前端组件!' }] },
          url: { rules: [{ required: this.show, message: '请输入菜单路径!' }] },
          permsType: { rules: [{ required: true, message: '请输入授权策略!' }] },
          sortNo: { initialValue: 1.0 }
        }
      }
    },
    created () {
      this.initDictConfig();
    },
    methods: {
      loadTree() {
        var that = this;
        queryTreeList().then((res) => {
          if (res.success) {
            console.log('----queryTreeList---')
            console.log(res)
            that.treeData = [];
            let treeList = res.result.treeList
            for (let a = 0; a < treeList.length; a++) {
              let temp = treeList[a];
              temp.isLeaf = temp.leaf;
              that.treeData.push(temp);
            }
          }
        });
      },
      add () {
        // 默认值
        this.edit({ status: '1', permsType: '1', route: true });
      },
      edit (record) {
        this.resetScreenSize(); // 调用此方法,根据屏幕宽度自适应调整抽屉的宽度
        this.form.resetFields();
        this.model = Object.assign({}, record);
        // --------------------------------------------------------------------------------------------------
        // 根据菜单类型，动态展示页面字段
        console.log(record)
        this.alwaysShow = !!record.alwaysShow;
        this.menuHidden = !!record.hidden;

        if (record.route != null) {
          this.routeSwitch = !!record.route;
        }

        if (record.keepAlive != null) {
          this.isKeepalive = !!record.keepAlive;
        } else {
          this.isKeepalive = false; // 升级兼容 如果没有（后台没有传过来、或者是新建）默认为false
        }

        /* update_begin author:wuxianquan date:20190908 for:编辑初始化数据 */
        if (record.internalOrExternal != null) {
          this.internalOrExternal = !!record.internalOrExternal;
        } else {
          this.internalOrExternal = false;
        }
        /* update_end author:wuxianquan date:20190908 for:编辑初始化数据 */

        // console.log('record.menuType', record.menuType);
        this.show = record.menuType != 2;
        this.menuLabel = record.menuType == 2 ? '按钮/权限' : '菜单名称';

        if (this.model.parentId) {
          this.localMenuType = 1;
        } else {
          this.localMenuType = 0;
        }
        // ----------------------------------------------------------------------------------------------

        this.visible = true;
        this.loadTree();
        let fieldsVal = pick(this.model, 'name', 'perms', 'permsType', 'component', 'redirect', 'url', 'sortNo', 'menuType', 'status');
        this.$nextTick(() => {
          this.form.setFieldsValue(fieldsVal)
        });
      },
      close () {
        this.$emit('close');
        this.visible = false;
        // this.disableSubmit = false;
      },
      handleOk () {
        const that = this;
        // 触发表单验证
        this.form.validateFields((err, values) => {
          if (!err) {
            this.model.alwaysShow = this.alwaysShow;
            this.model.hidden = this.menuHidden;
            this.model.route = this.routeSwitch;
            this.model.keepAlive = this.isKeepalive;
            /* update_begin author:wuxianquan date:20190908 for:获取值 */
            this.model.internalOrExternal = this.internalOrExternal;
            /* update_end author:wuxianquan date:20190908 for:获取值 */

            let formData = Object.assign(this.model, values);
            if ((formData.menuType == 1 || formData.menuType == 2) && !formData.parentId) {
              that.validateStatus = 'error';
              that.$message.error('请检查你填的类型以及信息是否正确！');
              return;
            } else {
              that.validateStatus = 'success';
            }
            that.confirmLoading = true;
            that.disableSubmit = true
            console.log(formData);
            let obj;

            if (!this.model.id) {
              obj = addPermission(formData);
            } else {
              obj = editPermission(formData);
            }
            console.log(that.disableSubmit)
            obj.then((res) => {
              if (res.success) {
                that.$message.success(res.message);
                that.$emit('ok');
              } else {
                that.$message.warning(res.message);
              }
            }).finally(() => {
              that.confirmLoading = false;
              that.close();
            });
          }
        })
      },
      handleCancel () {
        this.close()
      },
      validateNumber(rule, value, callback) {
        if (!value || new RegExp(/^[0-9]*[1-9][0-9]*$/).test(value)) {
          callback();
        } else {
          callback('请输入正整数!');
        }
      },
      validatePerms(rule, value, callback) {
        if (value && value.length > 0) {
          // 校验授权标识是否存在
          var params = {
            tableName: 'sys_permission',
            fieldName: 'perms',
            fieldVal: value,
            dataId: this.model.id
          };
          duplicateCheck(params).then((res) => {
            if (res.success) {
              callback()
            } else {
              callback('授权标识已存在!')
            }
          })
        } else {
          callback()
        }
      },
      onChangeMenuType(e) {
        // console.log('localMenuType checked', e.target.value)
        this.localMenuType = e.target.value
        if (e.target.value == 2) {
          this.show = false;
          this.menuLabel = '按钮/权限';
        } else {
          this.show = true;
          this.menuLabel = '菜单名称';
        }
        this.$nextTick(() => {
          this.form.validateFields(['url', 'component'], { force: true });
        });
      },
      selectIcons() {
        this.iconChooseVisible = true
      },
      handleIconCancel () {
        this.iconChooseVisible = false
      },
      handleIconChoose (value) {
        console.log(value)
        this.model.icon = value
        this.form.icon = value
        this.iconChooseVisible = false
      },
      // 根据屏幕变化,设置抽屉尺寸
      resetScreenSize() {
        let screenWidth = document.body.clientWidth;
        if (screenWidth < 500) {
          this.drawerWidth = screenWidth;
        } else {
          this.drawerWidth = 700;
        }
      },
      initDictConfig() {
      },
      handleParentIdChange(value) {
        if (!value) {
          this.validateStatus = 'error'
        } else {
          this.validateStatus = 'success'
        }
      }
    }
  }
</script>

<style scoped>

</style>
